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Wehrhahn GmbH

Booth number: 1 C 01

About us

Established in 1892, Wehrhahn is the leading supplier of machines and technologies for advanced production plants:

  • Autoclaved Aerated Concrete (AAC), blocks and panels

  • fibre cement sheets, autoclaving or aircuring technology

  • quicklime

  • dry mortar

Our full service covers research and development, mechanical and electrical design, manufacturing, installation, commissioning and after sales services.

Expert support for our customers during the production complement our services.

Wehrhahn plants are successfully operating all over the world.
Internationally well-known producers of AAC and fibre cement operate Wehrhahn plants.

Leading technology - made in Germany.

Products and services

WEHRHAHN - Design and manufacture of production
plants for the building material industry:

Autoclaved Aerated Concrete (AAC) - a light weight champion, suitable for all types of wall construction, produced as blocks or panels. Easy handling, precise dimensions, excellent thermal properties.

Fibre cement - autoclaving or aircuring technology, flat and corrugated sheets for internal and external use, suitable for all types of buildings.

Quicklime - hard burnt lime for the AAC industry or soft burnt lime.

Dry mortar - a wellmixed blend of various raw materials used for many
kinds of construction material.

Over 200 plants for the production of AAC blocks and panels, fibre cement, lime plants and numerous other special designs are in use across all climate zones throughout the world. This makes WEHRHAHN global leader.

Fibre cement production on Wehrhahn plants

Fibre cement production on Wehrhahn plants

Efficient, fully automated sheet production plants for high quality fibre cement products with a range of superior qualities: heat and moisture resistant, frost-
proof, non-combustible, flexible and affordable. Wehrhahn plants are specifically tailored to individual needs and local conditions, resulting in cost-efficient production of flat and corrugated fibre cement sheets for internal or external application.

Autoclaved Aerated Concrete (AAC) - a lightweight champion

Autoclaved Aerated Concrete (AAC) - a lightweight champion

AAC (Autoclaved Aerated Concrete) - a sustainable
and economic building material with a range of superior
• insulation
• fire protection
• noise protection
• structural load-bearing
• recyclability

Produced as blocks or reinforced panels with Wehrhahn technology
made in Germany - AAC is the number one eco-friendly wall construction material all over the world.

High level AAC production on Wehrhahn plants

High level AAC production on Wehrhahn plants

Characterised by outstandfing precision, productivity and reliablity, Wehrhahn machinery and technology ensure high quality, economic and flexibile production of AAC (Autoclaved Aerated Concrete).

News & Innovations

Wehrhahn celebrates 125th anniversary - reliable technology since 1892 

Experience gathered over more than a century of producing machines for the manufacture of high-quality building materials for a wide variety of construction applications. Starting 1892 - in the light of increasing industrialisation in Europe, when building materials of all kinds were in great d...| » Further reading 

Wehrhahn advanced zero process related waste systems for AAC production plants 

Part of the Wehrhahn "no system waste" concept is the patented Wehrhahn bed remover for tilt cake systems. The bottom layer is recycled before the cake is being autoclaved. In the past the hardened (autoclaved) bed could only be recycled in the process after being milled.With the Wehrhahn tech...| » Further reading 

Welcome to the Wehrhahn Plant Support and Emergency Support for AAC and fibre cement production plants 

Wehrhahn Plant Support - boost your profit! Production of premium quality AAC and fibre cement at best prices: Producers of building materials always focus on staying ahead of competition. Wehrhahn can assist producers by keeping an analytical eye on the production process, identifying opportu...| » Further reading 


Wehrhahn GmbH
Muehlenstr. 15
27753 Delmenhorst

Phone: +49 4221 12710
Fax: +49 4221 127180

Volker Krick
Sales Manager
Phone: +49 4221 1271325

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Booth number: 1 C 20